【摘要】 本文设计的辅助动力单元(APU)控制系统采用恒压控制的结构.首先优化了柴油发动机工作区域,之后设计了发动机转速变增益PI控制器和发电机调压器.最终在APU试验台架上的试验结果验证了发动机转速控制器的能够对发动机实际工作点有很好的控制效果,并且APU的功率响应特性和输出电压的稳定性均能满足车载特种用电设备的要求.更多还原

【Abstract】 The Auxiliary Power Unit(APU) control system adopted a constant voltage control configuration.The operating area of the diesel engine was optimized.An engine speed gain scheduling PI controller and a generator voltage regulator was designed.The bench test results showed the engine speed controller had good performance in controlling the actual engine operating points,while the power output response and the voltage stability could meet the requirements of the onboard special electric equipments.更多还原